emis-app/components/tpx-physics-scan/tpx-physics-scan.vue

<template>
	<view v-if="showlog">
		<view v-for="item in logs">{{item}}</view>
	</view>
</template>

<script>
	import { getSessionSystemInfo } from "@/session"
	export default {
		props: {
			value: {
				default () {
					return ''
				}
			},
			showlog: {
				default () {
					return false
				}
			},
		},
		data() {
			let { hongWai } = getSessionSystemInfo()
			let { actionKey = 'com.android.receive_scan_action', codeKey = 'data', scanDownKey = 'KEYCODE_SCAN_L_DOWN' } = hongWai || {}
			return {
				customintent: { // 默认配置
					// !!注意： 不同的设备配置项是不同的
					scanDownKey,
					actionKey,
					codeKey,
				},
				receiver: '', 
				filter: '',
				codeQueryTag: false,
				main: '',
				logs: ['扫描组件日志']
			}
		},
		created() {
			this.initScan()
			this.startScan();
		},
		onHide() {
			// this.stopScan();
		},
		unmounted() {
			this.stopScan();
		},
		methods: {
			logInfo(info){
				console.log(info)
				this.logs.push(info)
			},
			initScan() {
				let that = this;
				that.logInfo("执行initScan调用")
				that.logInfo("actionKey==== " + that.customintent.actionKey)
				that.logInfo("codeKey====  " + that.customintent.codeKey)
				//  #ifdef APP
				that.logInfo('initScan');
				that.main = plus.android.runtimeMainActivity(); //获取activity
				//var context = plus.android.importClass('android.content.Context'); //上下文
				var IntentFilter = plus.android.importClass('android.content.IntentFilter');
				that.filter = new IntentFilter();
				//下面的addAction内改为自己的广播动作
				that.filter.addAction(that.customintent.actionKey);
				that.logInfo("receive_pda_sn注册成功")
				that.receiver = plus.android.implements('io.dcloud.feature.internal.reflect.BroadcastReceiver', {
					onReceive: (context, intent) => {
						that.logInfo("BroadcastReceiver--onReceive-回调执行")
						that.logInfo('onReceive');
						plus.android.importClass(intent);
						//下面的getStringExtra内改为自己的广播标签--有误
						let code = intent.getStringExtra(that.customintent.codeKey);
						that.logInfo("getStringExtra - code:" + code)
						that.queryCode(code);
					}
				});
				that.logInfo("BroadcastReceiver绑定完成")
				// #endif
			},
			startScan() {
				const that = this
				//  #ifdef APP
				this.main.registerReceiver(this.receiver, this.filter);
				that.logInfo('startScan');
				// #endif
			},
			stopScan() {
				const that = this
				that.logInfo('stopScan');
				//  #ifdef APP
				this.main.unregisterReceiver(this.receiver);
				// #endif
			},
			queryCode: function(code) {
				let that = this;
				//  #ifdef APP
				that.logInfo('queryCode');
				if (that.codeQueryTag) return false;
				that.codeQueryTag = true;
				setTimeout(function() {
					that.codeQueryTag = false;
				}, 150);
				that.$emit('onChange', code)
				that.logInfo("uni.$emit触发wuli-appscan")
				// #endif
			},
			triggerKeyScan() {
				const that = this
				that.logInfo("执行triggerKeyScan调用")
				//  #ifdef APP
				//获取Android意图类
				let Intent = plus.android.importClass('android.content.Intent');
				//实例化意图
				let intent = new Intent();
				//定义意图，模拟按下L键，L键实际上是打开激光的物理键映射，由厂商提供
				const scanDownKey = "com.android.action.keyevent." + this.customintent.scanDownKey
				intent.setAction(scanDownKey);
				that.logInfo("模拟按下L键: " +  scanDownKey)
				//广播这个意图
				that.main.sendBroadcast(intent);
				that.logInfo("广播按下L键")
				// #endif
			}
		}
	}
</script>

<style>

</style>